A) \[2\sqrt{3}\]
B) \[3\sqrt{3}\]
C) \[3\sqrt{2}\]
D) \[2\sqrt{3}\]
Correct Answer: B
Solution :
[b] Let the side of equilateral triangle be a. Then, \[\frac{\sqrt{3}}{4}{{a}^{2}}=9\sqrt{3}\] \[\Rightarrow \] \[a=6\,m\] Length of median \[=\frac{\sqrt{3}}{2}a=\frac{\sqrt{3}}{2}\times 6=3\sqrt{3}\,m\] |
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